dlls/mshtml/dispex.c

   1 /*
   2  * Copyright 2008-2009 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <stdarg.h>
  20 #include <assert.h>
  21
  22 #define COBJMACROS
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winuser.h"
  27 #include "ole2.h"
  28
  29 #include "wine/debug.h"
  30
  31 #include "mshtml_private.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  34
  35 static CRITICAL_SECTION cs_dispex_static_data;
  36 static CRITICAL_SECTION_DEBUG cs_dispex_static_data_dbg =
  37 {
  38     0, 0, &cs_dispex_static_data,
  39     { &cs_dispex_static_data_dbg.ProcessLocksList, &cs_dispex_static_data_dbg.ProcessLocksList },
  40       0, 0, { (DWORD_PTR)(__FILE__ ": dispex_static_data") }
  41 };
  42 static CRITICAL_SECTION cs_dispex_static_data = { &cs_dispex_static_data_dbg, -1, 0, 0, 0, 0 };
  43
  44
  45 static const WCHAR objectW[] = {'[','o','b','j','e','c','t',']',0};
  46
  47 typedef struct {
  48     DISPID id;
  49     BSTR name;
  50     tid_t tid;
  51     SHORT put_vtbl_off;
  52     SHORT get_vtbl_off;
  53     SHORT func_disp_idx;
  54     VARTYPE prop_vt;
  55 } func_info_t;
  56
  57 struct dispex_data_t {
  58     DWORD func_cnt;
  59     func_info_t *funcs;
  60     func_info_t **name_table;
  61     DWORD func_disp_cnt;
  62
  63     struct list entry;
  64 };
  65
  66 typedef struct {
  67     VARIANT var;
  68     LPWSTR name;
  69     DWORD flags;
  70 } dynamic_prop_t;
  71
  72 #define DYNPROP_DELETED    0x01
  73
  74 typedef struct {
  75     DispatchEx dispex;
  76     IUnknown IUnknown_iface;
  77     DispatchEx *obj;
  78     func_info_t *info;
  79 } func_disp_t;
  80
  81 struct dispex_dynamic_data_t {
  82     DWORD buf_size;
  83     DWORD prop_cnt;
  84     dynamic_prop_t *props;
  85     func_disp_t **func_disps;
  86 };
  87
  88 #define DISPID_DYNPROP_0    0x50000000
  89 #define DISPID_DYNPROP_MAX  0x5fffffff
  90
  91 #define FDEX_VERSION_MASK 0xf0000000
  92
  93 static ITypeLib *typelib;
  94 static ITypeInfo *typeinfos[LAST_tid];
  95 static struct list dispex_data_list = LIST_INIT(dispex_data_list);
  96
  97 static REFIID tid_ids[] = {
  98 #define XIID(iface) &IID_ ## iface,
  99 #define XDIID(iface) &DIID_ ## iface,
 100 TID_LIST
 101 #undef XIID
 102 #undef XDIID
 103 };
 104
 105 static HRESULT load_typelib(void)
 106 {
 107     HRESULT hres;
 108     ITypeLib *tl;
 109
 110     hres = LoadRegTypeLib(&LIBID_MSHTML, 4, 0, LOCALE_SYSTEM_DEFAULT, &tl);
 111     if(FAILED(hres)) {
 112         ERR("LoadRegTypeLib failed: %08x\n", hres);
 113         return hres;
 114     }
 115
 116     if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
 117         ITypeLib_Release(tl);
 118     return hres;
 119 }
 120
 121 static HRESULT get_typeinfo(tid_t tid, ITypeInfo **typeinfo)
 122 {
 123     HRESULT hres;
 124
 125     if (!typelib)
 126         hres = load_typelib();
 127     if (!typelib)
 128         return hres;
 129
 130     if(!typeinfos[tid]) {
 131         ITypeInfo *ti;
 132
 133         hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &ti);
 134         if(FAILED(hres)) {
 135             ERR("GetTypeInfoOfGuid(%s) failed: %08x\n", debugstr_guid(tid_ids[tid]), hres);
 136             return hres;
 137         }
 138
 139         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), ti, NULL))
 140             ITypeInfo_Release(ti);
 141     }
 142
 143     *typeinfo = typeinfos[tid];
 144     return S_OK;
 145 }
 146
 147 void release_typelib(void)
 148 {
 149     dispex_data_t *iter;
 150     unsigned i;
 151
 152     while(!list_empty(&dispex_data_list)) {
 153         iter = LIST_ENTRY(list_head(&dispex_data_list), dispex_data_t, entry);
 154         list_remove(&iter->entry);
 155
 156         for(i=0; i < iter->func_cnt; i++)
 157             SysFreeString(iter->funcs[i].name);
 158
 159         heap_free(iter->funcs);
 160         heap_free(iter->name_table);
 161         heap_free(iter);
 162     }
 163
 164     if(!typelib)
 165         return;
 166
 167     for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
 168         if(typeinfos[i])
 169             ITypeInfo_Release(typeinfos[i]);
 170
 171     ITypeLib_Release(typelib);
 172     DeleteCriticalSection(&cs_dispex_static_data);
 173 }
 174
 175 HRESULT get_htmldoc_classinfo(ITypeInfo **typeinfo)
 176 {
 177     HRESULT hres;
 178
 179     if (!typelib)
 180         hres = load_typelib();
 181     if (!typelib)
 182         return hres;
 183
 184     hres = ITypeLib_GetTypeInfoOfGuid(typelib, &CLSID_HTMLDocument, typeinfo);
 185     if(FAILED(hres))
 186         ERR("GetTypeInfoOfGuid failed: %08x\n", hres);
 187     return hres;
 188 }
 189
 190 static void add_func_info(dispex_data_t *data, DWORD *size, tid_t tid, const FUNCDESC *desc, ITypeInfo *dti)
 191 {
 192     func_info_t *info;
 193     HRESULT hres;
 194
 195     if(data->func_cnt && data->funcs[data->func_cnt-1].id == desc->memid) {
 196         info = data->funcs+data->func_cnt-1;
 197     }else {
 198         if(data->func_cnt == *size)
 199             data->funcs = heap_realloc(data->funcs, (*size <<= 1)*sizeof(func_info_t));
 200
 201         info = data->funcs+data->func_cnt;
 202         hres = ITypeInfo_GetDocumentation(dti, desc->memid, &info->name, NULL, NULL, NULL);
 203         if(FAILED(hres))
 204             return;
 205
 206         data->func_cnt++;
 207
 208         info->id = desc->memid;
 209         info->tid = tid;
 210         info->func_disp_idx = -1;
 211         info->prop_vt = VT_EMPTY;
 212         info->put_vtbl_off = 0;
 213         info->get_vtbl_off = 0;
 214     }
 215
 216     if(desc->invkind & DISPATCH_METHOD) {
 217         info->func_disp_idx = data->func_disp_cnt++;
 218     }else if(desc->invkind & (DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYGET)) {
 219         VARTYPE vt = VT_EMPTY;
 220
 221         if(desc->invkind & DISPATCH_PROPERTYGET) {
 222             vt = desc->elemdescFunc.tdesc.vt;
 223             info->get_vtbl_off = desc->oVft/sizeof(void*);
 224         }
 225         if(desc->invkind & DISPATCH_PROPERTYPUT) {
 226             assert(desc->cParams == 1);
 227             vt = desc->lprgelemdescParam->tdesc.vt;
 228             info->put_vtbl_off = desc->oVft/sizeof(void*);
 229         }
 230
 231         assert(info->prop_vt == VT_EMPTY || vt == info->prop_vt);
 232         info->prop_vt = vt;
 233     }
 234 }
 235
 236 static int dispid_cmp(const void *p1, const void *p2)
 237 {
 238     return ((const func_info_t*)p1)->id - ((const func_info_t*)p2)->id;
 239 }
 240
 241 static int func_name_cmp(const void *p1, const void *p2)
 242 {
 243     return strcmpiW((*(func_info_t* const*)p1)->name, (*(func_info_t* const*)p2)->name);
 244 }
 245
 246 static dispex_data_t *preprocess_dispex_data(DispatchEx *This)
 247 {
 248     const tid_t *tid = This->data->iface_tids;
 249     FUNCDESC *funcdesc;
 250     dispex_data_t *data;
 251     DWORD size = 16, i;
 252     ITypeInfo *ti, *dti;
 253     HRESULT hres;
 254
 255     TRACE("(%p)\n", This);
 256
 257     if(This->data->disp_tid) {
 258         hres = get_typeinfo(This->data->disp_tid, &dti);
 259         if(FAILED(hres)) {
 260             ERR("Could not get disp type info: %08x\n", hres);
 261             return NULL;
 262         }
 263     }
 264
 265     data = heap_alloc(sizeof(dispex_data_t));
 266     data->func_cnt = 0;
 267     data->func_disp_cnt = 0;
 268     data->funcs = heap_alloc(size*sizeof(func_info_t));
 269     list_add_tail(&dispex_data_list, &data->entry);
 270
 271     while(*tid) {
 272         hres = get_typeinfo(*tid, &ti);
 273         if(FAILED(hres))
 274             break;
 275
 276         i=7;
 277         while(1) {
 278             hres = ITypeInfo_GetFuncDesc(ti, i++, &funcdesc);
 279             if(FAILED(hres))
 280                 break;
 281
 282             add_func_info(data, &size, *tid, funcdesc, dti);
 283             ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
 284         }
 285
 286         tid++;
 287     }
 288
 289     if(!data->func_cnt) {
 290         heap_free(data->funcs);
 291         data->name_table = NULL;
 292         data->funcs = NULL;
 293         return data;
 294     }
 295
 296
 297     data->funcs = heap_realloc(data->funcs, data->func_cnt * sizeof(func_info_t));
 298     qsort(data->funcs, data->func_cnt, sizeof(func_info_t), dispid_cmp);
 299
 300     data->name_table = heap_alloc(data->func_cnt * sizeof(func_info_t*));
 301     for(i=0; i < data->func_cnt; i++)
 302         data->name_table[i] = data->funcs+i;
 303     qsort(data->name_table, data->func_cnt, sizeof(func_info_t*), func_name_cmp);
 304
 305     return data;
 306 }
 307
 308 static int id_cmp(const void *p1, const void *p2)
 309 {
 310     return *(const DISPID*)p1 - *(const DISPID*)p2;
 311 }
 312
 313 HRESULT get_dispids(tid_t tid, DWORD *ret_size, DISPID **ret)
 314 {
 315     unsigned i, func_cnt;
 316     FUNCDESC *funcdesc;
 317     ITypeInfo *ti;
 318     TYPEATTR *attr;
 319     DISPID *ids;
 320     HRESULT hres;
 321
 322     hres = get_typeinfo(tid, &ti);
 323     if(FAILED(hres))
 324         return hres;
 325
 326     hres = ITypeInfo_GetTypeAttr(ti, &attr);
 327     if(FAILED(hres)) {
 328         ITypeInfo_Release(ti);
 329         return hres;
 330     }
 331
 332     func_cnt = attr->cFuncs;
 333     ITypeInfo_ReleaseTypeAttr(ti, attr);
 334
 335     ids = heap_alloc(func_cnt*sizeof(DISPID));
 336     if(!ids) {
 337         ITypeInfo_Release(ti);
 338         return E_OUTOFMEMORY;
 339     }
 340
 341     for(i=0; i < func_cnt; i++) {
 342         hres = ITypeInfo_GetFuncDesc(ti, i, &funcdesc);
 343         if(FAILED(hres))
 344             break;
 345
 346         ids[i] = funcdesc->memid;
 347         ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
 348     }
 349
 350     ITypeInfo_Release(ti);
 351     if(FAILED(hres)) {
 352         heap_free(ids);
 353         return hres;
 354     }
 355
 356     qsort(ids, func_cnt, sizeof(DISPID), id_cmp);
 357
 358     *ret_size = func_cnt;
 359     *ret = ids;
 360     return S_OK;
 361 }
 362
 363 static dispex_data_t *get_dispex_data(DispatchEx *This)
 364 {
 365     if(This->data->data)
 366         return This->data->data;
 367
 368     EnterCriticalSection(&cs_dispex_static_data);
 369
 370     if(!This->data->data)
 371         This->data->data = preprocess_dispex_data(This);
 372
 373     LeaveCriticalSection(&cs_dispex_static_data);
 374
 375     return This->data->data;
 376 }
 377
 378 static inline BOOL is_custom_dispid(DISPID id)
 379 {
 380     return MSHTML_DISPID_CUSTOM_MIN <= id && id <= MSHTML_DISPID_CUSTOM_MAX;
 381 }
 382
 383 static inline BOOL is_dynamic_dispid(DISPID id)
 384 {
 385     return DISPID_DYNPROP_0 <= id && id <= DISPID_DYNPROP_MAX;
 386 }
 387
 388 static HRESULT variant_copy(VARIANT *dest, VARIANT *src)
 389 {
 390     if(V_VT(src) == VT_BSTR && !V_BSTR(src)) {
 391         V_VT(dest) = VT_BSTR;
 392         V_BSTR(dest) = NULL;
 393         return S_OK;
 394     }
 395
 396     return VariantCopy(dest, src);
 397 }
 398
 399 static inline dispex_dynamic_data_t *get_dynamic_data(DispatchEx *This)
 400 {
 401     if(This->dynamic_data)
 402         return This->dynamic_data;
 403
 404     This->dynamic_data = heap_alloc_zero(sizeof(dispex_dynamic_data_t));
 405     if(!This->dynamic_data)
 406         return NULL;
 407
 408     if(This->data->vtbl && This->data->vtbl->populate_props)
 409         This->data->vtbl->populate_props(This);
 410
 411     return This->dynamic_data;
 412 }
 413
 414 static HRESULT get_dynamic_prop(DispatchEx *This, const WCHAR *name, DWORD flags, dynamic_prop_t **ret)
 415 {
 416     const BOOL alloc = flags & fdexNameEnsure;
 417     dispex_dynamic_data_t *data;
 418     dynamic_prop_t *prop;
 419
 420     data = get_dynamic_data(This);
 421     if(!data)
 422         return E_OUTOFMEMORY;
 423
 424     for(prop = data->props; prop < data->props+data->prop_cnt; prop++) {
 425         if(flags & fdexNameCaseInsensitive ? !strcmpiW(prop->name, name) : !strcmpW(prop->name, name)) {
 426             if(prop->flags & DYNPROP_DELETED) {
 427                 if(!alloc)
 428                     return DISP_E_UNKNOWNNAME;
 429                 prop->flags &= ~DYNPROP_DELETED;
 430             }
 431             *ret = prop;
 432             return S_OK;
 433         }
 434     }
 435
 436     if(!alloc)
 437         return DISP_E_UNKNOWNNAME;
 438
 439     TRACE("creating dynamic prop %s\n", debugstr_w(name));
 440
 441     if(!data->buf_size) {
 442         data->props = heap_alloc(sizeof(dynamic_prop_t)*4);
 443         if(!data->props)
 444             return E_OUTOFMEMORY;
 445         data->buf_size = 4;
 446     }else if(data->buf_size == data->prop_cnt) {
 447         dynamic_prop_t *new_props;
 448
 449         new_props = heap_realloc(data->props, sizeof(dynamic_prop_t)*(data->buf_size<<1));
 450         if(!new_props)
 451             return E_OUTOFMEMORY;
 452
 453         data->props = new_props;
 454         data->buf_size <<= 1;
 455     }
 456
 457     prop = data->props + data->prop_cnt;
 458
 459     prop->name = heap_strdupW(name);
 460     if(!prop->name)
 461         return E_OUTOFMEMORY;
 462
 463     VariantInit(&prop->var);
 464     prop->flags = 0;
 465     data->prop_cnt++;
 466     *ret = prop;
 467     return S_OK;
 468 }
 469
 470 HRESULT dispex_get_dprop_ref(DispatchEx *This, const WCHAR *name, BOOL alloc, VARIANT **ret)
 471 {
 472     dynamic_prop_t *prop;
 473     HRESULT hres;
 474
 475     hres = get_dynamic_prop(This, name, alloc ? fdexNameEnsure : 0, &prop);
 476     if(FAILED(hres))
 477         return hres;
 478
 479     *ret = &prop->var;
 480     return S_OK;
 481 }
 482
 483 HRESULT dispex_get_dynid(DispatchEx *This, const WCHAR *name, DISPID *id)
 484 {
 485     dynamic_prop_t *prop;
 486     HRESULT hres;
 487
 488     hres = get_dynamic_prop(This, name, fdexNameEnsure, &prop);
 489     if(FAILED(hres))
 490         return hres;
 491
 492     *id = DISPID_DYNPROP_0 + (prop - This->dynamic_data->props);
 493     return S_OK;
 494 }
 495
 496 static HRESULT dispex_value(DispatchEx *This, LCID lcid, WORD flags, DISPPARAMS *params,
 497         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 498 {
 499     if(This->data->vtbl && This->data->vtbl->value)
 500         return This->data->vtbl->value(This, lcid, flags, params, res, ei, caller);
 501
 502     switch(flags) {
 503     case DISPATCH_PROPERTYGET:
 504         V_VT(res) = VT_BSTR;
 505         V_BSTR(res) = SysAllocString(objectW);
 506         if(!V_BSTR(res))
 507             return E_OUTOFMEMORY;
 508         break;
 509     default:
 510         FIXME("Unimplemented flags %x\n", flags);
 511         return E_NOTIMPL;
 512     }
 513
 514     return S_OK;
 515 }
 516
 517 static HRESULT typeinfo_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
 518         EXCEPINFO *ei)
 519 {
 520     ITypeInfo *ti;
 521     IUnknown *unk;
 522     UINT argerr=0;
 523     HRESULT hres;
 524
 525     hres = get_typeinfo(func->tid, &ti);
 526     if(FAILED(hres)) {
 527         ERR("Could not get type info: %08x\n", hres);
 528         return hres;
 529     }
 530
 531     hres = IUnknown_QueryInterface(This->outer, tid_ids[func->tid], (void**)&unk);
 532     if(FAILED(hres)) {
 533         ERR("Could not get iface %s: %08x\n", debugstr_guid(tid_ids[func->tid]), hres);
 534         return E_FAIL;
 535     }
 536
 537     hres = ITypeInfo_Invoke(ti, unk, func->id, flags, dp, res, ei, &argerr);
 538
 539     IUnknown_Release(unk);
 540     return hres;
 541 }
 542
 543 static inline func_disp_t *impl_from_IUnknown(IUnknown *iface)
 544 {
 545     return CONTAINING_RECORD(iface, func_disp_t, IUnknown_iface);
 546 }
 547
 548 static HRESULT WINAPI Function_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
 549 {
 550     func_disp_t *This = impl_from_IUnknown(iface);
 551
 552     if(IsEqualGUID(&IID_IUnknown, riid)) {
 553         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 554         *ppv = &This->IUnknown_iface;
 555     }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
 556         return *ppv ? S_OK : E_NOINTERFACE;
 557     }else {
 558         *ppv = NULL;
 559         return E_NOINTERFACE;
 560     }
 561
 562     IUnknown_AddRef((IUnknown*)*ppv);
 563     return S_OK;
 564 }
 565
 566 static ULONG WINAPI Function_AddRef(IUnknown *iface)
 567 {
 568     func_disp_t *This = impl_from_IUnknown(iface);
 569
 570     TRACE("(%p)\n", This);
 571
 572     return IDispatchEx_AddRef(&This->obj->IDispatchEx_iface);
 573 }
 574
 575 static ULONG WINAPI Function_Release(IUnknown *iface)
 576 {
 577     func_disp_t *This = impl_from_IUnknown(iface);
 578
 579     TRACE("(%p)\n", This);
 580
 581     return IDispatchEx_Release(&This->obj->IDispatchEx_iface);
 582 }
 583
 584 static const IUnknownVtbl FunctionUnkVtbl = {
 585     Function_QueryInterface,
 586     Function_AddRef,
 587     Function_Release
 588 };
 589
 590 static inline func_disp_t *impl_from_DispatchEx(DispatchEx *iface)
 591 {
 592     return CONTAINING_RECORD(iface, func_disp_t, dispex);
 593 }
 594
 595 static HRESULT function_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *params,
 596         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 597 {
 598     func_disp_t *This = impl_from_DispatchEx(dispex);
 599     HRESULT hres;
 600
 601     switch(flags) {
 602     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 603         if(!res)
 604             return E_INVALIDARG;
 605         /* fall through */
 606     case DISPATCH_METHOD:
 607         hres = typeinfo_invoke(This->obj, This->info, flags, params, res, ei);
 608         break;
 609     default:
 610         FIXME("Unimplemented flags %x\n", flags);
 611         hres = E_NOTIMPL;
 612     }
 613
 614     return hres;
 615 }
 616
 617 static const dispex_static_data_vtbl_t function_dispex_vtbl = {
 618     function_value,
 619     NULL,
 620     NULL,
 621     NULL
 622 };
 623
 624 static const tid_t function_iface_tids[] = {0};
 625
 626 static dispex_static_data_t function_dispex = {
 627     &function_dispex_vtbl,
 628     NULL_tid,
 629     NULL,
 630     function_iface_tids
 631 };
 632
 633 static func_disp_t *create_func_disp(DispatchEx *obj, func_info_t *info)
 634 {
 635     func_disp_t *ret;
 636
 637     ret = heap_alloc_zero(sizeof(func_disp_t));
 638     if(!ret)
 639         return NULL;
 640
 641     ret->IUnknown_iface.lpVtbl = &FunctionUnkVtbl;
 642     init_dispex(&ret->dispex, &ret->IUnknown_iface,  &function_dispex);
 643     ret->obj = obj;
 644     ret->info = info;
 645
 646     return ret;
 647 }
 648
 649 static HRESULT invoke_disp_value(DispatchEx *This, IDispatch *func_disp, LCID lcid, WORD flags, DISPPARAMS *dp,
 650         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 651 {
 652     DISPID named_arg = DISPID_THIS;
 653     DISPPARAMS new_dp = {NULL, &named_arg, 0, 1};
 654     IDispatchEx *dispex;
 655     HRESULT hres;
 656
 657     if(dp->cNamedArgs) {
 658         FIXME("named args not supported\n");
 659         return E_NOTIMPL;
 660     }
 661
 662     new_dp.rgvarg = heap_alloc((dp->cArgs+1)*sizeof(VARIANTARG));
 663     if(!new_dp.rgvarg)
 664         return E_OUTOFMEMORY;
 665
 666     new_dp.cArgs = dp->cArgs+1;
 667     memcpy(new_dp.rgvarg+1, dp->rgvarg, dp->cArgs*sizeof(VARIANTARG));
 668
 669     V_VT(new_dp.rgvarg) = VT_DISPATCH;
 670     V_DISPATCH(new_dp.rgvarg) = (IDispatch*)&This->IDispatchEx_iface;
 671
 672     hres = IDispatch_QueryInterface(func_disp, &IID_IDispatchEx, (void**)&dispex);
 673     TRACE(">>>\n");
 674     if(SUCCEEDED(hres)) {
 675         hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, lcid, flags, &new_dp, res, ei, caller);
 676         IDispatchEx_Release(dispex);
 677     }else {
 678         ULONG err = 0;
 679         hres = IDispatch_Invoke(func_disp, DISPID_VALUE, &IID_NULL, lcid, flags, &new_dp, res, ei, &err);
 680     }
 681     if(SUCCEEDED(hres))
 682         TRACE("<<< %s\n", debugstr_variant(res));
 683     else
 684         WARN("<<< %08x\n", hres);
 685
 686     heap_free(new_dp.rgvarg);
 687     return hres;
 688 }
 689
 690 static HRESULT function_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
 691         EXCEPINFO *ei)
 692 {
 693     HRESULT hres;
 694
 695     switch(flags) {
 696     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 697         if(!res)
 698             return E_INVALIDARG;
 699         /* fall through */
 700     case DISPATCH_METHOD:
 701         hres = typeinfo_invoke(This, func, flags, dp, res, ei);
 702         break;
 703     case DISPATCH_PROPERTYGET: {
 704         dispex_dynamic_data_t *dynamic_data;
 705
 706         if(func->id == DISPID_VALUE) {
 707             BSTR ret;
 708
 709             ret = SysAllocString(objectW);
 710             if(!ret)
 711                 return E_OUTOFMEMORY;
 712
 713             V_VT(res) = VT_BSTR;
 714             V_BSTR(res) = ret;
 715             return S_OK;
 716         }
 717
 718         dynamic_data = get_dynamic_data(This);
 719         if(!dynamic_data)
 720             return E_OUTOFMEMORY;
 721
 722         if(!dynamic_data->func_disps) {
 723             dynamic_data->func_disps = heap_alloc_zero(This->data->data->func_disp_cnt * sizeof(func_disp_t*));
 724             if(!dynamic_data->func_disps)
 725                 return E_OUTOFMEMORY;
 726         }
 727
 728         if(!dynamic_data->func_disps[func->func_disp_idx]) {
 729             dynamic_data->func_disps[func->func_disp_idx] = create_func_disp(This, func);
 730             if(!dynamic_data->func_disps[func->func_disp_idx])
 731                 return E_OUTOFMEMORY;
 732         }
 733
 734         V_VT(res) = VT_DISPATCH;
 735         V_DISPATCH(res) = (IDispatch*)&dynamic_data->func_disps[func->func_disp_idx]->dispex.IDispatchEx_iface;
 736         IDispatch_AddRef(V_DISPATCH(res));
 737         hres = S_OK;
 738         break;
 739     }
 740     default:
 741         FIXME("Unimplemented flags %x\n", flags);
 742         /* fall through */
 743     case DISPATCH_PROPERTYPUT:
 744         hres = E_NOTIMPL;
 745     }
 746
 747     return hres;
 748 }
 749
 750 static HRESULT get_builtin_func(dispex_data_t *data, DISPID id, func_info_t **ret)
 751 {
 752     int min, max, n;
 753
 754     min = 0;
 755     max = data->func_cnt-1;
 756
 757     while(min <= max) {
 758         n = (min+max)/2;
 759
 760         if(data->funcs[n].id == id) {
 761             *ret = data->funcs+n;
 762             return S_OK;
 763         }
 764
 765         if(data->funcs[n].id < id)
 766             min = n+1;
 767         else
 768             max = n-1;
 769     }
 770
 771     WARN("invalid id %x\n", id);
 772     return DISP_E_UNKNOWNNAME;
 773 }
 774
 775 static HRESULT get_builtin_id(DispatchEx *This, BSTR name, DWORD grfdex, DISPID *ret)
 776 {
 777     dispex_data_t *data;
 778     int min, max, n, c;
 779
 780     data = get_dispex_data(This);
 781     if(!data)
 782         return E_FAIL;
 783
 784     min = 0;
 785     max = data->func_cnt-1;
 786
 787     while(min <= max) {
 788         n = (min+max)/2;
 789
 790         c = strcmpiW(data->name_table[n]->name, name);
 791         if(!c) {
 792             if((grfdex & fdexNameCaseSensitive) && strcmpW(data->name_table[n]->name, name))
 793                 break;
 794
 795             *ret = data->name_table[n]->id;
 796             return S_OK;
 797         }
 798
 799         if(c > 0)
 800             max = n-1;
 801         else
 802             min = n+1;
 803     }
 804
 805     if(This->data->vtbl && This->data->vtbl->get_dispid) {
 806         HRESULT hres;
 807
 808         hres = This->data->vtbl->get_dispid(This, name, grfdex, ret);
 809         if(hres != DISP_E_UNKNOWNNAME)
 810             return hres;
 811     }
 812
 813     return DISP_E_UNKNOWNNAME;
 814 }
 815
 816 /* List all types used by IDispatchEx-based properties */
 817 #define BUILTIN_TYPES_SWITCH                            \
 818     CASE_VT(VT_I2, INT16, V_I2);                        \
 819     CASE_VT(VT_I4, INT32, V_I4);                        \
 820     CASE_VT(VT_R4, float, V_R4);                        \
 821     CASE_VT(VT_BSTR, BSTR, V_BSTR);                     \
 822     CASE_VT(VT_BOOL, VARIANT_BOOL, V_BOOL);             \
 823     CASE_VT(VT_VARIANT, VARIANT, *);                    \
 824     CASE_VT(VT_PTR, void*, V_BYREF);                    \
 825     CASE_VT(VT_UNKNOWN, IUnknown*, V_UNKNOWN);          \
 826     CASE_VT(VT_DISPATCH, IDispatch*, V_DISPATCH)
 827
 828 static HRESULT change_type(VARIANT *dst, VARIANT *src, VARTYPE vt, IServiceProvider *caller)
 829 {
 830     V_VT(dst) = VT_EMPTY;
 831
 832     if(caller) {
 833         IVariantChangeType *change_type = NULL;
 834         HRESULT hres;
 835
 836         hres = IServiceProvider_QueryService(caller, &SID_VariantConversion, &IID_IVariantChangeType, (void**)&change_type);
 837         if(SUCCEEDED(hres)) {
 838             hres = IVariantChangeType_ChangeType(change_type, dst, src, LOCALE_NEUTRAL, vt);
 839             IVariantChangeType_Release(change_type);
 840             return hres;
 841         }
 842     }
 843
 844     return VariantChangeType(dst, src, 0, vt);
 845 }
 846
 847 static HRESULT builtin_propget(DispatchEx *This, func_info_t *func, DISPPARAMS *dp, VARIANT *res)
 848 {
 849     IUnknown *iface;
 850     HRESULT hres;
 851
 852     if(dp && dp->cArgs) {
 853         FIXME("cArgs %d\n", dp->cArgs);
 854         return E_NOTIMPL;
 855     }
 856
 857     assert(func->get_vtbl_off);
 858
 859     hres = IUnknown_QueryInterface(This->outer, tid_ids[func->tid], (void**)&iface);
 860     if(SUCCEEDED(hres)) {
 861         switch(func->prop_vt) {
 862 #define CASE_VT(vt,type,access) \
 863         case vt: { \
 864             type val; \
 865             hres = ((HRESULT (WINAPI*)(IUnknown*,type*))((void**)iface->lpVtbl)[func->get_vtbl_off])(iface,&val); \
 866             if(SUCCEEDED(hres)) \
 867                 access(res) = val; \
 868             } \
 869             break
 870         BUILTIN_TYPES_SWITCH;
 871 #undef CASE_VT
 872         default:
 873             FIXME("Unhandled vt %d\n", func->prop_vt);
 874             hres = E_NOTIMPL;
 875         }
 876         IUnknown_Release(iface);
 877     }
 878
 879     if(FAILED(hres))
 880         return hres;
 881
 882     if(func->prop_vt != VT_VARIANT)
 883         V_VT(res) = func->prop_vt == VT_PTR ? VT_DISPATCH : func->prop_vt;
 884     return S_OK;
 885 }
 886
 887 static HRESULT builtin_propput(DispatchEx *This, func_info_t *func, DISPPARAMS *dp, IServiceProvider *caller)
 888 {
 889     VARIANT *v, tmpv;
 890     IUnknown *iface;
 891     HRESULT hres;
 892
 893     if(dp->cArgs != 1 || (dp->cNamedArgs == 1 && *dp->rgdispidNamedArgs != DISPID_PROPERTYPUT)
 894             || dp->cNamedArgs > 1) {
 895         FIXME("invalid args\n");
 896         return E_INVALIDARG;
 897     }
 898
 899     if(!func->put_vtbl_off) {
 900         FIXME("No setter\n");
 901         return E_FAIL;
 902     }
 903
 904     v = dp->rgvarg;
 905     if(func->prop_vt != VT_VARIANT && V_VT(v) != func->prop_vt) {
 906         hres = change_type(&tmpv, v, func->prop_vt, caller);
 907         if(FAILED(hres))
 908             return hres;
 909         v = &tmpv;
 910     }
 911
 912     hres = IUnknown_QueryInterface(This->outer, tid_ids[func->tid], (void**)&iface);
 913     if(SUCCEEDED(hres)) {
 914         switch(func->prop_vt) {
 915 #define CASE_VT(vt,type,access) \
 916         case vt: \
 917             hres = ((HRESULT (WINAPI*)(IUnknown*,type))((void**)iface->lpVtbl)[func->put_vtbl_off])(iface,access(v)); \
 918             break
 919         BUILTIN_TYPES_SWITCH;
 920 #undef CASE_VT
 921         default:
 922             FIXME("Unimplemented vt %d\n", func->prop_vt);
 923             hres = E_NOTIMPL;
 924         }
 925
 926         IUnknown_Release(iface);
 927     }
 928
 929     if(v == &tmpv)
 930         VariantClear(v);
 931     return hres;
 932 }
 933
 934 static HRESULT invoke_builtin_prop(DispatchEx *This, DISPID id, LCID lcid, WORD flags, DISPPARAMS *dp,
 935         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 936 {
 937     dispex_data_t *data;
 938     func_info_t *func;
 939     HRESULT hres;
 940
 941     data = get_dispex_data(This);
 942     if(!data)
 943         return E_FAIL;
 944
 945     hres = get_builtin_func(data, id, &func);
 946     if(id == DISPID_VALUE && hres == DISP_E_UNKNOWNNAME)
 947         return dispex_value(This, lcid, flags, dp, res, ei, caller);
 948     if(FAILED(hres))
 949         return hres;
 950
 951     if(func->func_disp_idx != -1)
 952         return function_invoke(This, func, flags, dp, res, ei);
 953
 954     switch(flags) {
 955     case DISPATCH_PROPERTYPUT:
 956         if(res)
 957             V_VT(res) = VT_EMPTY;
 958         hres = builtin_propput(This, func, dp, caller);
 959         break;
 960     case DISPATCH_PROPERTYGET:
 961         hres = builtin_propget(This, func, dp, res);
 962         break;
 963     default:
 964         if(!func->get_vtbl_off) {
 965             hres = typeinfo_invoke(This, func, flags, dp, res, ei);
 966         }else {
 967             VARIANT v;
 968
 969             hres = builtin_propget(This, func, NULL, &v);
 970             if(FAILED(hres))
 971                 return hres;
 972
 973             if(V_VT(&v) != VT_DISPATCH) {
 974                 FIXME("Not a function %s\n", debugstr_variant(&v));
 975                 VariantClear(&v);
 976                 return E_FAIL;
 977             }
 978
 979             hres = invoke_disp_value(This, V_DISPATCH(&v), lcid, flags, dp, res, ei, caller);
 980
 981             IDispatch_Release(V_DISPATCH(&v));
 982         }
 983     }
 984
 985     return hres;
 986 }
 987
 988 HRESULT remove_prop(DispatchEx *This, BSTR name, VARIANT_BOOL *success)
 989 {
 990     dynamic_prop_t *prop;
 991     DISPID id;
 992     HRESULT hres;
 993
 994     hres = get_builtin_id(This, name, 0, &id);
 995     if(hres == S_OK) {
 996         DISPID named_id = DISPID_PROPERTYPUT;
 997         VARIANT var;
 998         DISPPARAMS dp = {&var,&named_id,1,1};
 999         EXCEPINFO ei;
1000
1001         V_VT(&var) = VT_EMPTY;
1002         memset(&ei, 0, sizeof(ei));
1003         hres = invoke_builtin_prop(This, id, 0, DISPATCH_PROPERTYPUT, &dp, NULL, &ei, NULL);
1004         if(FAILED(hres))
1005             return hres;
1006
1007         *success = VARIANT_TRUE;
1008         return S_OK;
1009     }
1010
1011     hres = get_dynamic_prop(This, name, 0, &prop);
1012     if(FAILED(hres)) {
1013         if(hres != DISP_E_UNKNOWNNAME)
1014             return hres;
1015         *success = VARIANT_FALSE;
1016         return S_OK;
1017     }
1018
1019     VariantClear(&prop->var);
1020     prop->flags |= DYNPROP_DELETED;
1021     *success = VARIANT_TRUE;
1022     return S_OK;
1023 }
1024
1025 static inline DispatchEx *impl_from_IDispatchEx(IDispatchEx *iface)
1026 {
1027     return CONTAINING_RECORD(iface, DispatchEx, IDispatchEx_iface);
1028 }
1029
1030 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
1031 {
1032     DispatchEx *This = impl_from_IDispatchEx(iface);
1033
1034     return IUnknown_QueryInterface(This->outer, riid, ppv);
1035 }
1036
1037 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
1038 {
1039     DispatchEx *This = impl_from_IDispatchEx(iface);
1040
1041     return IUnknown_AddRef(This->outer);
1042 }
1043
1044 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
1045 {
1046     DispatchEx *This = impl_from_IDispatchEx(iface);
1047
1048     return IUnknown_Release(This->outer);
1049 }
1050
1051 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
1052 {
1053     DispatchEx *This = impl_from_IDispatchEx(iface);
1054
1055     TRACE("(%p)->(%p)\n", This, pctinfo);
1056
1057     *pctinfo = 1;
1058     return S_OK;
1059 }
1060
1061 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo,
1062                                               LCID lcid, ITypeInfo **ppTInfo)
1063 {
1064     DispatchEx *This = impl_from_IDispatchEx(iface);
1065     HRESULT hres;
1066
1067     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
1068
1069     hres = get_typeinfo(This->data->disp_tid, ppTInfo);
1070     if(FAILED(hres))
1071         return hres;
1072
1073     ITypeInfo_AddRef(*ppTInfo);
1074     return S_OK;
1075 }
1076
1077 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
1078                                                 LPOLESTR *rgszNames, UINT cNames,
1079                                                 LCID lcid, DISPID *rgDispId)
1080 {
1081     DispatchEx *This = impl_from_IDispatchEx(iface);
1082     UINT i;
1083     HRESULT hres;
1084
1085     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
1086           lcid, rgDispId);
1087
1088     for(i=0; i < cNames; i++) {
1089         hres = IDispatchEx_GetDispID(&This->IDispatchEx_iface, rgszNames[i], 0, rgDispId+i);
1090         if(FAILED(hres))
1091             return hres;
1092     }
1093
1094     return S_OK;
1095 }
1096
1097 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
1098                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
1099                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
1100 {
1101     DispatchEx *This = impl_from_IDispatchEx(iface);
1102
1103     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
1104           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
1105
1106     return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags, pDispParams,
1107             pVarResult, pExcepInfo, NULL);
1108 }
1109
1110 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
1111 {
1112     DispatchEx *This = impl_from_IDispatchEx(iface);
1113     dynamic_prop_t *dprop;
1114     HRESULT hres;
1115
1116     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
1117
1118     if(grfdex & ~(fdexNameCaseSensitive|fdexNameCaseInsensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
1119         FIXME("Unsupported grfdex %x\n", grfdex);
1120
1121     hres = get_builtin_id(This, bstrName, grfdex, pid);
1122     if(hres != DISP_E_UNKNOWNNAME)
1123         return hres;
1124
1125     hres = get_dynamic_prop(This, bstrName, grfdex, &dprop);
1126     if(FAILED(hres))
1127         return hres;
1128
1129     *pid = DISPID_DYNPROP_0 + (dprop - This->dynamic_data->props);
1130     return S_OK;
1131 }
1132
1133 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
1134         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
1135 {
1136     DispatchEx *This = impl_from_IDispatchEx(iface);
1137     HRESULT hres;
1138
1139     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
1140
1141     if(is_custom_dispid(id) && This->data->vtbl && This->data->vtbl->invoke)
1142         return This->data->vtbl->invoke(This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
1143
1144     if(wFlags == DISPATCH_CONSTRUCT) {
1145         if(id == DISPID_VALUE) {
1146             if(This->data->vtbl && This->data->vtbl->value) {
1147                 return This->data->vtbl->value(This, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
1148             }
1149             FIXME("DISPATCH_CONSTRUCT flag but missing value function\n");
1150             return E_FAIL;
1151         }
1152         FIXME("DISPATCH_CONSTRUCT flag without DISPID_VALUE\n");
1153         return E_FAIL;
1154     }
1155
1156     if(is_dynamic_dispid(id)) {
1157         DWORD idx = id - DISPID_DYNPROP_0;
1158         dynamic_prop_t *prop;
1159
1160         if(!get_dynamic_data(This) || This->dynamic_data->prop_cnt <= idx)
1161             return DISP_E_UNKNOWNNAME;
1162
1163         prop = This->dynamic_data->props+idx;
1164
1165         switch(wFlags) {
1166         case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
1167             if(!pvarRes)
1168                 return E_INVALIDARG;
1169             /* fall through */
1170         case DISPATCH_METHOD:
1171             if(V_VT(&prop->var) != VT_DISPATCH) {
1172                 FIXME("invoke %s\n", debugstr_variant(&prop->var));
1173                 return E_NOTIMPL;
1174             }
1175
1176             return invoke_disp_value(This, V_DISPATCH(&prop->var), lcid, wFlags, pdp, pvarRes, pei, pspCaller);
1177         case DISPATCH_PROPERTYGET:
1178             if(prop->flags & DYNPROP_DELETED)
1179                 return DISP_E_UNKNOWNNAME;
1180             V_VT(pvarRes) = VT_EMPTY;
1181             return variant_copy(pvarRes, &prop->var);
1182         case DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYPUTREF:
1183         case DISPATCH_PROPERTYPUT:
1184             if(pdp->cArgs != 1 || (pdp->cNamedArgs == 1 && *pdp->rgdispidNamedArgs != DISPID_PROPERTYPUT)
1185                || pdp->cNamedArgs > 1) {
1186                 FIXME("invalid args\n");
1187                 return E_INVALIDARG;
1188             }
1189
1190             TRACE("put %s\n", debugstr_variant(pdp->rgvarg));
1191             VariantClear(&prop->var);
1192             hres = variant_copy(&prop->var, pdp->rgvarg);
1193             if(FAILED(hres))
1194                 return hres;
1195
1196             prop->flags &= ~DYNPROP_DELETED;
1197             return S_OK;
1198         default:
1199             FIXME("unhandled wFlags %x\n", wFlags);
1200             return E_NOTIMPL;
1201         }
1202     }
1203
1204     return invoke_builtin_prop(This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
1205 }
1206
1207 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
1208 {
1209     DispatchEx *This = impl_from_IDispatchEx(iface);
1210
1211     TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
1212
1213     /* Not implemented by IE */
1214     return E_NOTIMPL;
1215 }
1216
1217 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
1218 {
1219     DispatchEx *This = impl_from_IDispatchEx(iface);
1220
1221     TRACE("(%p)->(%x)\n", This, id);
1222
1223     /* Not implemented by IE */
1224     return E_NOTIMPL;
1225 }
1226
1227 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
1228 {
1229     DispatchEx *This = impl_from_IDispatchEx(iface);
1230     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
1231     return E_NOTIMPL;
1232 }
1233
1234 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
1235 {
1236     DispatchEx *This = impl_from_IDispatchEx(iface);
1237     dispex_data_t *data;
1238     func_info_t *func;
1239     HRESULT hres;
1240
1241     TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
1242
1243     if(is_dynamic_dispid(id)) {
1244         DWORD idx = id - DISPID_DYNPROP_0;
1245
1246         if(!get_dynamic_data(This) || This->dynamic_data->prop_cnt <= idx)
1247             return DISP_E_UNKNOWNNAME;
1248
1249         *pbstrName = SysAllocString(This->dynamic_data->props[idx].name);
1250         if(!*pbstrName)
1251             return E_OUTOFMEMORY;
1252
1253         return S_OK;
1254     }
1255
1256     data = get_dispex_data(This);
1257     if(!data)
1258         return E_FAIL;
1259
1260     hres = get_builtin_func(data, id, &func);
1261     if(FAILED(hres))
1262         return hres;
1263
1264     *pbstrName = SysAllocString(func->name);
1265     if(!*pbstrName)
1266         return E_OUTOFMEMORY;
1267     return S_OK;
1268 }
1269
1270 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
1271 {
1272     DispatchEx *This = impl_from_IDispatchEx(iface);
1273     dispex_data_t *data;
1274     func_info_t *func;
1275     HRESULT hres;
1276
1277     TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
1278
1279     if(is_dynamic_dispid(id)) {
1280         DWORD idx = id - DISPID_DYNPROP_0;
1281
1282         if(!get_dynamic_data(This) || This->dynamic_data->prop_cnt <= idx)
1283             return DISP_E_UNKNOWNNAME;
1284
1285         while(++idx < This->dynamic_data->prop_cnt && This->dynamic_data->props[idx].flags & DYNPROP_DELETED);
1286
1287         if(idx == This->dynamic_data->prop_cnt) {
1288             *pid = DISPID_STARTENUM;
1289             return S_FALSE;
1290         }
1291
1292         *pid = DISPID_DYNPROP_0+idx;
1293         return S_OK;
1294     }
1295
1296     data = get_dispex_data(This);
1297     if(!data)
1298         return E_FAIL;
1299
1300     if(id == DISPID_STARTENUM) {
1301         func = data->funcs;
1302     }else {
1303         hres = get_builtin_func(data, id, &func);
1304         if(FAILED(hres))
1305             return hres;
1306         func++;
1307     }
1308
1309     while(func < data->funcs+data->func_cnt) {
1310         /* FIXME: Skip hidden properties */
1311         if(func->func_disp_idx == -1) {
1312             *pid = func->id;
1313             return S_OK;
1314         }
1315         func++;
1316     }
1317
1318     if(get_dynamic_data(This) && This->dynamic_data->prop_cnt) {
1319         *pid = DISPID_DYNPROP_0;
1320         return S_OK;
1321     }
1322
1323     *pid = DISPID_STARTENUM;
1324     return S_FALSE;
1325 }
1326
1327 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
1328 {
1329     DispatchEx *This = impl_from_IDispatchEx(iface);
1330     FIXME("(%p)->(%p)\n", This, ppunk);
1331     return E_NOTIMPL;
1332 }
1333
1334 static IDispatchExVtbl DispatchExVtbl = {
1335     DispatchEx_QueryInterface,
1336     DispatchEx_AddRef,
1337     DispatchEx_Release,
1338     DispatchEx_GetTypeInfoCount,
1339     DispatchEx_GetTypeInfo,
1340     DispatchEx_GetIDsOfNames,
1341     DispatchEx_Invoke,
1342     DispatchEx_GetDispID,
1343     DispatchEx_InvokeEx,
1344     DispatchEx_DeleteMemberByName,
1345     DispatchEx_DeleteMemberByDispID,
1346     DispatchEx_GetMemberProperties,
1347     DispatchEx_GetMemberName,
1348     DispatchEx_GetNextDispID,
1349     DispatchEx_GetNameSpaceParent
1350 };
1351
1352 BOOL dispex_query_interface(DispatchEx *This, REFIID riid, void **ppv)
1353 {
1354     static const IID IID_UndocumentedScriptIface =
1355         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa0}};
1356     static const IID IID_IDispatchJS =
1357         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
1358
1359     if(IsEqualGUID(&IID_IDispatch, riid)) {
1360         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
1361         *ppv = &This->IDispatchEx_iface;
1362     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
1363         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
1364         *ppv = &This->IDispatchEx_iface;
1365     }else if(IsEqualGUID(&IID_IDispatchJS, riid)) {
1366         TRACE("(%p)->(IID_IDispatchJS %p) returning NULL\n", This, ppv);
1367         *ppv = NULL;
1368     }else if(IsEqualGUID(&IID_UndocumentedScriptIface, riid)) {
1369         TRACE("(%p)->(IID_UndocumentedScriptIface %p) returning NULL\n", This, ppv);
1370         *ppv = NULL;
1371     }else {
1372         return FALSE;
1373     }
1374
1375     if(*ppv)
1376         IUnknown_AddRef((IUnknown*)*ppv);
1377     return TRUE;
1378 }
1379
1380 void release_dispex(DispatchEx *This)
1381 {
1382     dynamic_prop_t *prop;
1383
1384     if(!This->dynamic_data)
1385         return;
1386
1387     for(prop = This->dynamic_data->props; prop < This->dynamic_data->props + This->dynamic_data->prop_cnt; prop++) {
1388         VariantClear(&prop->var);
1389         heap_free(prop->name);
1390     }
1391
1392     heap_free(This->dynamic_data->props);
1393
1394     if(This->dynamic_data->func_disps) {
1395         unsigned i;
1396
1397         for(i=0; i < This->data->data->func_disp_cnt; i++) {
1398             if(This->dynamic_data->func_disps[i]) {
1399                 release_dispex(&This->dynamic_data->func_disps[i]->dispex);
1400                 heap_free(This->dynamic_data->func_disps[i]);
1401             }
1402         }
1403
1404         heap_free(This->dynamic_data->func_disps);
1405     }
1406
1407     heap_free(This->dynamic_data);
1408 }
1409
1410 void init_dispex(DispatchEx *dispex, IUnknown *outer, dispex_static_data_t *data)
1411 {
1412     dispex->IDispatchEx_iface.lpVtbl = &DispatchExVtbl;
1413     dispex->outer = outer;
1414     dispex->data = data;
1415     dispex->dynamic_data = NULL;
1416 }